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What is Services And Mechanism?

What is an attack?

An attack is effort done by the intruders to devastate, change, modify, immobilize, pilfer or get illegal and unlawful access to or make unauthorized use of an asset. Insiders and Outsiders both can make attempts to make the attacks in the hope to gain information.

What is Security Mechanism?

Security Mechanism is intended to identify, avert, or recuperate from a security attack.

What are Security Services?

A security service enhances the protection of data and information dispensation systems and transfer of the information. One or more than one security mechanisms are used for security services.

Security Services can be classified as under

Ø Privacy which means confidentiality

Ø Authentication which shows the data is been created and sent by whom

Ø Integrity which shows the data do not being altered

Ø Non-repudiation which states a specific and final order

Ø Access control prevents the misuse of resources

Ø Availability leads to durability

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The main security goals are

Ø Confidentiality

Ø Integrity

Ø Availability

There are various ways in which the data can be protected

Ø Encryption: - Conversion of data into a form of ciphertext is known as Encryption. The ciphertext is not easily understood by common man. Thus is how the data can be protected by it being converted into secret code. To read an encrypted file the user needs to have a key to decode it into plaintext and read it.

Ø Software Controls: - Here there are limitations in the access in the database, operating systems which help different users from each other.

Ø Hardware Controls which are also known as Smartcards

Ø Policies: - Various policies can be used to protect the data and information like the frequent changing of passwords.

Ø Physical Controls

The recognized Internet Standards and RFCs are

Ø (IAB) Internet Architecture Board

Ø (IESG) Internet Engineering Steering Group

Ø (IETF) Internet Engineering Task Force

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